[jira] [Updated] (ZOOKEEPER-786) Exception in ZooKeeper.toString

["Thomas Koch (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Koch updated ZOOKEEPER-786:
----------------------------------

    Attachment: ZOOKEEPER-786.patch

This patch introduces caching of (local|remote)SocketAddress in the ClientCnxnNio class. The addresses are read only once immediately after connection establishment.

> Exception in ZooKeeper.toString
> -------------------------------
>
>                 Key: ZOOKEEPER-786
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-786
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: java client
>    Affects Versions: 3.3.1
>         Environment: Mac OS X, x86
>            Reporter: Stephen Green
>            Assignee: Thomas Koch
>            Priority: Minor
>             Fix For: 3.5.0
>
>         Attachments: ZOOKEEPER-786.patch
>
>
> When trying to call ZooKeeper.toString during client disconnections, an exception can be generated:
> [04/06/10 15:39:57.744] ERROR Error while calling watcher 
> java.lang.Error: java.net.SocketException: Socket operation on non-socket
> 	at sun.nio.ch.Net.localAddress(Net.java:128)
> 	at sun.nio.ch.SocketChannelImpl.localAddress(SocketChannelImpl.java:430)
> 	at sun.nio.ch.SocketAdaptor.getLocalAddress(SocketAdaptor.java:147)
> 	at java.net.Socket.getLocalSocketAddress(Socket.java:717)
> 	at org.apache.zookeeper.ClientCnxn.getLocalSocketAddress(ClientCnxn.java:227)
> 	at org.apache.zookeeper.ClientCnxn.toString(ClientCnxn.java:183)
> 	at java.lang.String.valueOf(String.java:2826)
> 	at java.lang.StringBuilder.append(StringBuilder.java:115)
> 	at org.apache.zookeeper.ZooKeeper.toString(ZooKeeper.java:1486)
> 	at java.util.Formatter$FormatSpecifier.printString(Formatter.java:2794)
> 	at java.util.Formatter$FormatSpecifier.print(Formatter.java:2677)
> 	at java.util.Formatter.format(Formatter.java:2433)
> 	at java.util.Formatter.format(Formatter.java:2367)
> 	at java.lang.String.format(String.java:2769)
> 	at com.echonest.cluster.ZooContainer.process(ZooContainer.java:544)
> 	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:488)
> Caused by: java.net.SocketException: Socket operation on non-socket
> 	at sun.nio.ch.Net.localInetAddress(Native Method)
> 	at sun.nio.ch.Net.localAddress(Net.java:125)
> 	... 15 more

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